---
id: CVE-2026-112861
title: >-
  WordPress Participants Database plugin <= 2.7.8.5 - Insecure Direct Object
  References (IDOR) vulnerability
summary: >-
  Authorization Bypass Through User-Controlled Key vulnerability in xnau
  webdesign Participants Database participants-database allows Exploiting
  Incorrectly Configured Access Control Security Levels.This issue affects
  Participants Database…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cvssSource: cna
cwe:
  - CWE-639
vendor: xnau webdesign
product: participants-database
affected:
  - participants-database <= 2.7.8.5
published: '2026-10-20'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T17:47:26.796Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112861'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/participants-database/vulnerability/wordpress-participants-database-plugin-2-7-8-5-insecure-direct-object-references-idor-vulnerability?_s_id=cve
tags:
  - cve.org
ingestedAt: '2026-10-20T18:14:37.216Z'
---

## Overview

Authorization Bypass Through User-Controlled Key vulnerability in xnau webdesign Participants Database participants-database allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Participants Database: from n/a through 2.7.8.5.

## Affected

- `participants-database <= 2.7.8.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.